2080972460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{108497}}^1$

素因数の和:108650

約数の個数: 48

約数和(自身を含む): 5030835264

約数和(自身を除く): 2949862804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3836, 4795, 9590, 19180, 108497, 216994, 433988, 542485, 759479, 1084970, 1518958, 2169940, 3037916, 3797395, 7594790, 14864089, 15189580, 29728178, 59456356, 74320445, 104048623, 148640890, 208097246, 297281780, 416194492, 520243115, 1040486230, 2080972460]

約数ペア:

[(1, 2080972460), (2, 1040486230), (4, 520243115), (5, 416194492), (7, 297281780), (10, 208097246), (14, 148640890), (20, 104048623), (28, 74320445), (35, 59456356), (70, 29728178), (137, 15189580), (140, 14864089), (274, 7594790), (548, 3797395), (685, 3037916), (959, 2169940), (1370, 1518958), (1918, 1084970), (2740, 759479), (3836, 542485), (4795, 433988), (9590, 216994), (19180, 108497)]